Today Rollup 5 for Exchange 2007 SP1 is available (KB953467)
here you can see some of the major issues:
– CDCR: Need an option to apply ELC policy to only the root instead of applying it recursively to root and all subfolders
– CDCR: Add generatePublisherEvidence enabled=”false” to Exchange Services Config Files
– SCR does not copy logs in a disjoint namespace scenario
– SCR cannot be enabled when DNS suffixes differ on source/target in disjoint namespace scenarios
– Exchange 2007 CAS cannot copy the OAB from the OAB share on Windows Server 2008-based Exchange 2007 CCR clusters
– Messages get stuck in outbox on Windows Mobile 6.1 devices When using CAS proxy
– CDCR: MSI patching doesn’t update logon.aspx if the file is modified by customer
You can download the Rollup 5 for Exchange 2007 SP1 below.